🧑💻 Developer Tools
Essential tools for developers. Format JSON, encode/decode Base64 and URLs, generate hashes, UUIDs, decode JWTs and more.
JSON Formatter & Validator
Format, prettify and validate JSON online. Instantly beautify minified JSON with syntax highlighting.
Base64 Encoder
Encode text or data to Base64 format online. Fast, free, and works entirely in your browser.
Base64 Decoder
Decode Base64 encoded strings back to plain text online. Fast and free.
URL Encoder
Encode special characters in URLs and query strings online. Percent-encode text for safe use in URLs.
URL Decoder
Decode percent-encoded URLs back to readable text online. Unescape URL-encoded strings instantly.
Hash Generator
Generate SHA-1, SHA-256 and SHA-512 cryptographic hashes from any text online. Uses the Web Crypto API.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.
UUID Generator
Generate random UUIDs (v4) online instantly. Generate one or multiple unique identifiers at once.
JWT Decoder
Decode and inspect JWT (JSON Web Token) payloads and headers online. No validation — browser-only.
CSV to JSON Converter
Convert CSV data to JSON format online. Paste your CSV and get formatted JSON instantly.
Password Generator
Generate strong, secure random passwords online. Customize length and character types.